html{
  width: 100%;
  height: 100%;
}

body{
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
}

p{
  margin: 0;
}

ul{
  margin: 0;
  padding: 0;
}

li{
  list-style: none;
}

.icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}

.el-backtop {
  width: 60px!important;
  height: 60px!important;
}

.el-backtop .huojian i{
  font-size: 38px;
}

.fade-enter,
.fade-leave-active {
  opacity: 0;
}
.fade-enter-active,
.fade-leave-active {
  transition: opacity 0.5s;
}
